教师的最大幸福就是把一群群孩子送往理想的彼岸。
The greatest happiness of a teacher is to send groups of children to the other shore of their ideals.
回忆，即使是最珍贵的回忆，凋零的速度惊人的快。但我不服，我最珍视的回忆，我从不见它凋零。
The energy industry must be part of the climate solution, not the problem.
遗传密码的发现是理解生命分子基础的一个里程碑。